<template>
    <div class="app-container">
        菜单管理
        <!-- 工具条 -->
        <div class="tools-div">
            <el-button type="success" icon="el-icon-plus" size="mini" @click="add()">添 加</el-button>
        </div>
        <el-table :data="sysMenuList" style="width: 100%;margin-bottom: 20px;margin-top: 10px;" row-key="id" border
            :default-expand-all="false" :tree-props="{children: 'children'}">

            <el-table-column prop="name" label="菜单名称" width="160" />
            <el-table-column label="图标">
                <template slot-scope="scope">
                    <i :class="scope.row.icon"></i>
                </template>
            </el-table-column>
            <el-table-column prop="perms" label="权限标识" width="160" />
            <el-table-column prop="path" label="路由地址" width="120" />
            <el-table-column prop="component" label="组件路径" width="160" />
            <el-table-column prop="sortValue" label="排序" width="60" />
            <el-table-column label="状态" width="80">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.status === 1" :disabled="true">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column prop="createTime" label="创建时间" width="160" />
            <el-table-column label="操作" width="180" align="center" fixed="right">
                <template slot-scope="scope">
                    <el-button type="success" v-if="scope.row.type !== 2" icon="el-icon-plus" size="mini"
                        @click="add(scope.row)" title="添加下级节点" />
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row)" title="修改" />
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)"
                        title="删除" :disabled="scope.row.children.length > 0" />
                </template>
            </el-table-column>
        </el-table>

        <el-dialog :title="dialogTitle" :visible.sync="dialogVisible" width="40%">
            <el-form ref="dataForm" :model="sysMenu" label-width="150px" size="small" style="padding-right: 40px;">
                <el-form-item label="上级部门" v-if="sysMenu.id === ''">
                    <el-input v-model="sysMenu.parentName" disabled="true" />
                </el-form-item>
                <el-form-item label="菜单类型" prop="type">
                    <el-radio-group v-model="sysMenu.type" :disabled="typeDisabled">
                        <el-radio :label="0" :disabled="type0Disabled">目录</el-radio>
                        <el-radio :label="1" :disabled="type1Disabled">菜单</el-radio>
                        <el-radio :label="2" :disabled="type2Disabled">按钮</el-radio>
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="菜单名称" prop="name">
                    <el-input v-model="sysMenu.name" />
                </el-form-item>
                <el-form-item label="图标" prop="icon" v-if="sysMenu.type !== 2">
                    <el-select v-model="sysMenu.icon" clearable>
                        <el-option v-for="item in iconList" :key="item.class" :label="item.class" :value="item.class">
                            <span style="float: left;">
                                <i :class="item.class"></i> <!-- 如果动态显示图标，这里添加判断 -->
                            </span>
                            <span style="padding-left: 6px;">{{ item.class }}</span>
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="排序">
                    <el-input-number v-model="sysMenu.sortValue" controls-position="right" :min="0" />
                </el-form-item>
                <el-form-item prop="path">
                    <span slot="label">
                        <el-tooltip content="访问的路由地址，如：`sysUser`" placement="top">
                            <i class="el-icon-question"></i>
                        </el-tooltip>
                        路由地址
                    </span>
                    <el-input v-model="sysMenu.path" placeholder="请输入路由地址" />
                </el-form-item>
                <el-form-item prop="component" v-if="sysMenu.type !== 0">
                    <span slot="label">
                        <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                            <i class="el-icon-question"></i>
                        </el-tooltip>
                        组件路径
                    </span>
                    <el-input v-model="sysMenu.component" placeholder="请输入组件路径" />
                </el-form-item>
                <el-form-item v-if="sysMenu.type === 2">
                    <el-input v-model="sysMenu.perms" placeholder="请输入权限标识" maxlength="100" />
                    <span slot="label">
                        <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(hasAuthority('bnt.sysRole.list'))"
                            placement="top">
                            <i class="el-icon-question"></i>
                        </el-tooltip>
                        权限字符
                    </span>
                </el-form-item>
                <el-form-item label="状态" prop="type">
                    <el-radio-group v-model="sysMenu.status">
                        <el-radio :label="1">正常</el-radio>
                        <el-radio :label="0">停用</el-radio>
                    </el-radio-group>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
                <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>


<script>
    import api from '@/api/system/menu'
    const defaultForm = {
        id: '',
        parentId: '',
        name: '',
        type: 0,
        path: '',
        component: '',
        perms: '',
        icon: '',
        sortValue: 1,
        status: 1
    }
    export default {
        // 定义数据
        data() {
            return {
                sysMenuList: [],
                expandKeys: [], // 需要自动展开的项

                typeDisabled: false,
                type0Disabled: false,
                type1Disabled: false,
                type2Disabled: false,
                dialogTitle: '',

                dialogVisible: false,
                sysMenu: defaultForm,
                saveBtnDisabled: false,

                iconList: [
                    {
                        class: "el-icon-s-tools",
                    },
                    {
                        class: "el-icon-s-custom",
                    },
                    {
                        class: "el-icon-setting",
                    },
                    {
                        class: "el-icon-user-solid",
                    },
                    {
                        class: "el-icon-s-help",
                    },
                    {
                        class: "el-icon-phone",
                    },
                    {
                        class: "el-icon-s-unfold",
                    },
                    {
                        class: "el-icon-s-operation",
                    },
                    {
                        class: "el-icon-more-outline",
                    },
                    {
                        class: "el-icon-s-check",
                    },
                    {
                        class: "el-icon-tickets",
                    },
                    {
                        class: "el-icon-s-goods",
                    },
                    {
                        class: "el-icon-document-remove",
                    },
                    {
                        class: "el-icon-warning",
                    },
                    {
                        class: "el-icon-warning-outline",
                    },
                    {
                        class: "el-icon-question",
                    },
                    {
                        class: "el-icon-info",
                    }
                ]
            }
        },

        //当页面加载时获取数据
        created() {
            this.fetchData()
        },

        methods: {
            //调用api层获取数据库中的数据
            fetchData() {
                console.log('加载列表')
                api.findNodes().then(response => {
                    this.sysMenuList = response.data
                    console.log(this.sysMenuList)
                })
            },

            //根据id删除数据
            removeDataById(id) {
                // debugger
                this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => { // promise
                    // 点击确定，远程调用ajax
                    // return api.removeById(id);
                    return api.removeSub(id);      // ---子菜单
                }).then((response) => {
                    this.fetchData()
                    this.$message({
                        type: 'success',
                        message: response.message
                    })
                }).catch(() => {
                    this.$message.info('取消删除')
                })
            },

            //弹出添加或更新的表单
            add(row) {
                debugger
                this.typeDisabled = false
                this.dialogTitle = '添加下级节点'
                this.dialogVisible = true

                this.sysMenu = Object.assign({}, defaultForm)   // !defaultForm对象中的值，清空
                this.sysMenu.id = ''
                if (row) {
                    this.sysMenu.parentId = row.id
                    this.sysMenu.parentName = row.name
                    //this.sysMenu.component = 'ParentView'
                    if (row.type === 0) {
                        this.sysMenu.type = 1
                        this.typeDisabled = false
                        this.type0Disabled = false
                        this.type1Disabled = false
                        this.type2Disabled = true
                    } else if (row.type === 1) {
                        this.sysMenu.type = 2
                        this.typeDisabled = true
                    }
                } else {
                    this.dialogTitle = '添加目录节点'
                    this.sysMenu.type = 0
                    this.sysMenu.component = 'Layout'
                    this.sysMenu.parentId = 0
                    this.typeDisabled = true
                }
            },

            //编辑
            edit(row) {
                debugger
                this.dialogTitle = '修改菜单'
                this.dialogVisible = true

                this.sysMenu = Object.assign({}, row)
                this.typeDisabled = true
            },

            //添加或更新
            saveOrUpdate() {
                if (this.sysMenu.type === 0 && this.sysMenu.parentId !== 0) {
                    this.sysMenu.component = 'ParentView'
                }
                this.$refs.dataForm.validate(valid => {
                    if (valid) {
                        this.saveBtnDisabled = true // 防止表单重复提交
                        if (!this.sysMenu.id) {
                            this.save()
                        } else {
                            this.update()
                        }
                    }
                })
            },

            //添加
            save() {
                api.save(this.sysMenu).then(response => {
                    this.$message.success(response.message || '操作成功')
                    this.dialogVisible = false
                    this.fetchData(this.page)
                })
            },

            //更新
            update() {
                api.updateById(this.sysMenu).then(response => {
                    this.$message.success(response.message || '操作成功')
                    this.dialogVisible = false
                    this.fetchData()
                })
            }
        }
    }
</script>